A system and method for maintaining capacity of a network. The semiconductor substrate includes at least one electrical element formed at the semiconductor substrate front side. In a preferred embodiment, the groove and the tongue are made of water resistant material and formed with a snap-together joint. The pre-order specifies a plurality of pre-order attributes. The solution of the present invention is an external pharmaceutical composition for preventing or treating inflammation observed in animals, which comprises loxoprofen or a salt thereof as an active ingredient.